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Comment

A two-layer rupture disc with a long service life

By Chemical Engineering |

Rembe

Rembe

KUB reverse-acting buckling-pin rupture discs (photo) are well suited for use with pressure equipment, such as reactors, tanks, pipework, gas cylinders and pressure vessels. The KUB requires no torqueing, allowing for the disc to be periodically examined and placed back into its holder — a new disc is not required until the current one ruptures or is damaged. When the disc ruptures, no metal debris is cast downstream into the exhaust piping. The KUB’s two-layered design increases longevity because the burst element is protected from potentially corrosive process media. The “domed” side contains precisely laser-cut buckling pins to ensure a precise response to pressure, and the second smooth layer isolates and protects the burst element from the process, resulting in a longer disc life. According to the manufacturer, processes that are protected by KUB discs can operate at pressures that are up to 98% of the minimum burst pressure of the disc without risk of fatigue of the disc. — Rembe, Inc., Charlotte, N.C.

www.rembe.us

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